MSI 870-C45 Series User manual









PCI 3
PCI 2
PCI 1
PCIEX1_1
PCIEX16
PCIEX1_2
OCSWITCH1
IDE 1 ATX1
SYSFAN1
DIMM1
DIMM2
DIMM3
DIMM4
FDD 1
BATT
+
SOCKET AM3
JAUD1 CD_IN1 JSPD1
JUSB1 JUSB2 JUSB3 JFP1 JFP2
JCI1
SYSFAN2
CPUFAN1
PWR1
JBAT1
SATA2SATA1
SATA4SATA3
SATA6SATA5
JTPM1
Top : mouse
Bottom: keyboard
Top: LAN Jack
Bottom: USB ports
T:Line-In
M:Line-Out
B:Mic
T:RS-Out
M:CS-Out
B:SPDIFOut
COM port
USB ports
USB ports
ALC889
I/O
Chip
RTL8111DL
AMD
RX780
AMD
SB710






13.+3.3V
1.+3.3V
14.-12V
2.+3.3V
15.Ground
3.Ground
16.PS-ON#
4.+5V17.Ground
5.Ground
18.Ground
6.+5V
19.Ground
7.Ground
22.+5V
10.+12V
20.Res
8.PWR OK
23.+5V
11.+12V
21.+5V
9.5VSB
24.Ground
12.+3.3V
4.+12V
2.Ground
3.+12V
1.Ground

1.Ground
2.+12V
3.Sensor
4.Control
1.Ground
2.+12V
3.NoUse

1.VCC
2.SPDIF
3.Ground
4.R
3.Ground
2.Ground
1.L
1.+
3.-
10.No Pin
5.-Reset Switch
HDD LED
Power Switch
Power LED
7.+
9.Reserved
8.-
6.+
4.-
2.+
1.Ground
3.Suspend LED
5.Power LED
7.No Pin
8.+
6.-
4.+
2.-
Buzzer
Speaker
1.MICL
3.MICR
10.HeadPhoneDetection
5.HeadPhoneR
7.SENSE_SEND
9.HeadPhoneL
8.NoPin
6.MICDetection
4.PRESENCE#
2.Ground

1.VCC
3.USBD-
10.USBOC
5.USBD+
7.Ground
9.No Pin
8.Ground
6.USBD+
4.USBD-
2.VCC
10.NoPin
14.Ground
8.5VPower
12.Ground
6.SerialIRQ
4.3.3VPower
2.3VStandbypower1.LPCClock
3.LPCReset
5.LPCaddress&datapin0
7.LPCaddress&datapin1
9.LPCaddress&datapin2
11.LPCaddress&datapin3
13.LPCFrame
1.CINTRU
2.Ground

1
1
1

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